Home / 22,177.60-30,606.24-12,747.04

Finding the Fourth Proportional to 22,177.60, 30,606.24 and 12,747.04

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Solution

The fourth proportional to 22,177.60, 30,606.24 and 12,747.04 is: 17,591.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,177.60 : 30,606.24 = 12,747.04 : x
  2. Step 2: Convert to fraction form
    22,177.60/30,606.24 = 12,747.04/x
  3. Step 3: Cross multiply
    22,177.60x = 30,606.24 × 12,747.04
  4. Step 4: Simplify right side
    22,177.60x = 390,138,965.53
  5. Step 5: Solve for x
    x = 390,138,965.53/22,177.60
  6. Step 6: Final answer
    x = 17,591.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.